________ is the maximum number of users that can access a shared file at once

Mister and Adams proposed that all linear combinations of S-box columns should be _________ which are a special class of Boolean functions that are highly nonlinear according to certain mathematical criteria. ?

A) ?horizontal functions ? B) ?angular functions C) ?bent functions ? D) ?vertical functions

If a, b and c are boolean variables such that a is false, b is true and c is true, which of these expressions:

1. a || (b && c) 2. !a && (!b || c) 3. !(a && b) && c evaluate(s) to true?